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Re: Update on issue 155 (Content Sniffing)

From: Roy T. Fielding <fielding@gbiv.com>
Date: Wed, 5 Aug 2009 07:57:40 -0700
Message-Id: <55006A7B-1716-4CF2-B3FA-A1E37CF7AE6F@gbiv.com>
Cc: "Mark Nottingham" <mnot@mnot.net>, "Adam Barth" <w3c@adambarth.com>, "Julian Reschke" <julian.reschke@gmx.de>, "HTTP Working Group" <ietf-http-wg@w3.org>
To: Anne van Kesteren <annevk@opera.com>
On Aug 5, 2009, at 5:29 AM, Anne van Kesteren wrote:

> On Tue, 04 Aug 2009 20:22:05 +0200, Mark Nottingham <mnot@mnot.net>  
> wrote:
>> As you point out, this is just a note, and doesn't affect  
>> conformance; it is still completely conformant to sniff the type  
>> of a message (because what you *do* with the data type is still up  
>> to the application).
>
> Can we add a note to that effect then?
>
> Proposal:
>
>      Note that the behavior caused by the data type
>      is not defined by HTTP; this potentially
>      includes examination of the content to override
>      any indicated type ("sniffing").

No.  HTTP defines the intended behavior for processing the payload
of a response by the combination of method, status, and media type,
the latter being a reference to a behavior-defining spec via the
media type registry.

....Roy
Received on Wednesday, 5 August 2009 14:58:17 GMT

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